#include <stdio.h>
#define MONTHS 12
//打印每个月的天数
int main() {
    int days[MONTHS] = {31,28,31,30,31,30,31,31,30,31,30,31};
    int index;

    for (index = 0; index < MONTHS ; index++) {
        printf("Month %2d has  %2d days.\n",index + 1,days[index]);

    }
    return 0;
}
